Summary

• An allergy is when your immune system reacts to something that is harmless to most people.
• Substances that cause allergies are called ‘allergens’ and include certain foods, animal dander, pollens and dust mites.
• There are different types of allergies that cause a range of symptoms — some are mild while others can be life-threatening.
• You can reduce the chance of experiencing an allergic reaction by avoiding the substance you are allergic to.
• There are medicines available to treat some types of allergies.

These key facts are from healthdirect.gov.au (accessed 27 Jan 2025). Visit the healthdirect website for more information about allergies.

Relevant Tests

If your doctor suspects you have allergies, they may request one or more tests.

If you are diagnosed with allergies, some of these tests will be used to monitor and manage your condition.

Find information about specific tests:

• Immunoglobulin E Total (allergy)